The Protime LS transponder is recommended for the likes of motorcross or any other cross sports (Quad, Kartcross ...)This transponder is delivered with a Lithium-ion battery or with a direct connection to the vehicle's battery.

When the transponder is in the charger, the power down is automatic, which offers an autonomy of several months. Only one charge per year is necessary to maintain the transponder in good working condition.

The transponder has 5 days autonomy when it is continuously used. The tricolor LED indicates the level of charge and the autonomy.

The information on the level of charge is sent to the decoder when the transponder passes over the loop.

Super One Series British Karting Championships

TAG Heuer Professional Timing and UK agent Sports Timing Systems have signed a new timing partnership with the Super One Series for a third consecutive year.

The deal signed at this year’s Autosport International Show at the NEC, Birmingham, secures TAG Heuer as the official timing partner and sponsor of the British and ABkC National Championship.

Sports Timing Systems will continue to supply the TAG Heuer by Chronelec transponder solution used to time the series and provide the online live timing service.

The Super One Series is now in its 33rd year and is STILL the number one UK kart championship.

FIM Motocross World Championship - MXGP

Youthstream is pleased to announce that TAG Heuer has become the official Timekeeper of the FIM Motocross World Championship.

A key player in the Motor racing championships since its origins, TAG Heuer will provide its timing expertise and knowledge to the FIM World Championships.

As a result of the newly formed partnership, TAG Heuer will power the timing system of the FIM Motocross World Championship.

Teams from Youthstream and TAG Heuer have worked together to develop and test the most precise and reliable timing technology available, that will match with the very demanding rules of the MXGP championship.